better default C-k in vim

.vimrc

@@ -132,7 +132,7 @@ Plug 'sjbach/lusty'
 Plug 'mhinz/vim-signify'
 Plug 'vim-airline/vim-airline'
 Plug 'vim-airline/vim-airline-themes'
-Plug 'junegunn/fzf'
+Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
 Plug 'junegunn/fzf.vim'
 Plug 'bling/vim-bufferline'
 Plug 'majutsushi/tagbar'
@@ -813,14 +813,13 @@ call denite#custom#var('grep', {
 nnoremap <silent> <Leader>g :<C-u>Denite -buffer-name=search-buffer grep<CR>
 nnoremap <silent> <Leader>aa :<C-u>RipGrep!<CR>
 "nnoremap <C-l> :<C-u>Files! `git rev-parse --show-toplevel`<CR>
-nnoremap <C-l> :<C-u>GFiles<CR>
-nnoremap <C-k> :<C-u>Buffers<CR>
+nnoremap <C-k> :<C-u>GFiles<CR>
 " For C++ -- A is a great plugin which allows you to jump from the c file to the
 " header and vice-versa. Mneumonic here is headerheader.
 nnoremap <Leader>hh :A<CR>
 " CommandT is useful, but if I'm juggling lots of buffers, limit it to another
 " one I have open (instead of standard <Leader>t).
-nnoremap <silent> <Leader>o :CtrlPBuffer<CR>
+nnoremap <silent> <Leader>o :<C-u>Buffers<CR>
 "nnoremap <Leader>j <C-^>
 "nnoremap <Leader>p  :PTW 
 nnoremap <Leader>p  :LustyJugglePrevious<CR>